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Finding the Fourth Proportional to 59,789.91, 89,684.87 and 52,091.67

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Solution

The fourth proportional to 59,789.91, 89,684.87 and 52,091.67 is: 78,137.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,789.91 : 89,684.87 = 52,091.67 : x
  2. Step 2: Convert to fraction form
    59,789.91/89,684.87 = 52,091.67/x
  3. Step 3: Cross multiply
    59,789.91x = 89,684.87 × 52,091.67
  4. Step 4: Simplify right side
    59,789.91x = 4,671,834,391.57
  5. Step 5: Solve for x
    x = 4,671,834,391.57/59,789.91
  6. Step 6: Final answer
    x = 78,137.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.